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Finding the Fourth Proportional to 885.06, 1,327.59 and 337.12

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Solution

The fourth proportional to 885.06, 1,327.59 and 337.12 is: 505.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    885.06 : 1,327.59 = 337.12 : x
  2. Step 2: Convert to fraction form
    885.06/1,327.59 = 337.12/x
  3. Step 3: Cross multiply
    885.06x = 1,327.59 × 337.12
  4. Step 4: Simplify right side
    885.06x = 447,553.82
  5. Step 5: Solve for x
    x = 447,553.82/885.06
  6. Step 6: Final answer
    x = 505.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.